Jobs

About the Project

A decentralized operating system and ecosystem that empowers people with full control over their digital identity and data. We focus on privacy, security, and independence by providing tools for secure communication, personal data storage, and digital ownership — all without relying on centralized servers or corporations.

The project is already in progress, and you will join an experienced team.

Responsibilities

• Design, develop, and maintain core components of an offline Operating System, ensuring performance, reliability, and scalability.
• Work with multiple programming languages (C, C++, Rust, Go, or others depending on module requirements).
• Implement low-level system functionality: memory management, file systems, process scheduling, and device drivers.
• Develop secure offline communication protocols and ensure system stability in disconnected environments.
• Write clean, efficient, and well-documented code aligned with modern engineering practices.
• Debug, test, and optimize system components across multiple hardware environments.
• Collaborate with a cross-functional team to deliver complete, production-ready solutions.
• Research and integrate new technologies, libraries, and approaches to improve OS architecture.
• Participate in code reviews and help establish best practices for OS development.
• Prepare technical documentation for internal and external stakeholders.

Required Skills (Tech Stack)

• Systems programming: strong experience with C, C++, Rust, or Nim.
• Operating systems fundamentals: memory management, process scheduling, file systems, inter-process communication (IPC).
• Security & cryptography: encryption, authentication, secure communication protocols.
• Linux expertise: low-level Linux internals, kernel modules, or custom OS builds.
• Networking: TCP/IP, peer-to-peer networking, sockets, distributed communication.
• Strong problem-solving skills in low-level and distributed environments.

Nice to Have (Optional)

• Nim for performant, Python-like syntax compiled to efficient binaries.
• Nix / NixOS: reproducible builds, package management, declarative infrastructure.
• Distributed systems: consensus algorithms (Raft, Paxos), gossip protocols, scalability.
• Virtualization & containers: Docker, Kubernetes, QEMU, lightweight VMs.
• Cross-platform development across multiple hardware architectures.
• Blockchain/Web3: decentralized identity, digital signatures, ledger-based ownership.

What we offer

• Competitive salary based on skills and experience.
• 20 days of paid vacation and 3 sick leave days per year.
• Corporate accountant.

A product company is looking for a Senior C++ Developer to work remotely.

The company is the fastest end-to-end provider of data and trading technologies in the currency, financial, and futures markets.

They have created a product that enables international companies and banks to conduct instant transactions on global currency exchanges with minimal time delay using a low-latency gateway.

This solution gives them an advantage over their competitors by fractions of a millisecond.

Two stages of interviews are planned, including with the company's CEO.

The team consists of 17 C++ developers.

Experience in server development in C++ (Linux) and multithreading is required.

Experience with high-load systems is a plus.

Senior VoIP Engineer

Synergy Beam Solutions delivers cutting-edge IT and cybersecurity solutions, specializing in turnkey systems that empower businesses worldwide. As part of our innovation pipeline, we are developing a state-of-the-art telecommunications platform for high-performance call centers.

We are seeking a Senior VoIP Engineer to join our growing team and help build, scale, and maintain our VoIP SaaS platform. You’ll design and optimize SIP-based communication systems that prioritize reliability, scalability, and security, while enhancing real-time voice workflows and observability across global deployments.

Join a mission-driven team tackling complex technical challenges and redefining how communication and emergency systems operate worldwide.

Key Responsibilities

• Design, develop, and maintain SIP and RTP-based VoIP systems, ensuring high performance and reliability.
• Troubleshoot complex routing, codec, and signaling issues using packet captures, logs, and SIP traces.
• Optimize network and protocol performance (SIP, RTP, TCP/IP, DNS, NAT, firewall).
• Integrate and support PBX, SBC, and cloud VoIP environments to ensure seamless interoperability.
• Monitor and improve call quality metrics (MOS, jitter, latency) with proactive performance tuning.
• Lead architecture and deployment of voice applications, including transcription, AMD/VMD, and AI-driven features.
• Collaborate with engineering and product teams to deliver scalable, resilient, and secure VoIP solutions.
• Act as the final escalation point for complex VoIP incidents and vendor coordination.

Technical Requirements

• 6+ years in software engineering, including 4+ years in VoIP/SIP development.
• Strong experience with Freeswitch and Kamailio.
• Proficiency in Lua and Python (Go or C/C++ a plus).
• Deep understanding of network protocols and tools (Wireshark, SIPp, libpcap, Linux/BSD sockets).
• Experience with WebRTC, TURN/STUN servers, and cloud platforms (AWS, Google Cloud, Cloudflare).
• Familiarity with GSM, E1 gateways, and serial-connected telecom hardware.
• Experience in building scalable systems and automated testing frameworks.

Personal Qualities

• English proficiency: B2 (Upper-Intermediate) or higher.
• Strong communication and collaboration skills; positive team player.
• Exceptional troubleshooting and analytical abilities.
• Self-motivated, adaptable, and proactive in problem-solving.
• Passionate about building technology that has real-world impact.

Preferred (Nice-to-Have)

• Experience with embedded systems or SIP hardware devices.
• Hands-on knowledge of call flow simulation tools (SIP testing frameworks).
• Familiarity with RESTful APIs and scalable service design.
• Understanding of global network routing and optimization.
• Experience implementing AI-driven features in VoIP systems.

This is a fantastic opportunity to join a fast-growing company at the heart of the digital revolution. Our software product is revolutionising manufacturing through automation. We are trusted by global brands and work across sectors (mobility, consumer goods, machinery etc).

We have a talented and ambitious team. We value integrity and are passionate about our mission to revolutionise advanced manufacturing.

This is your opportunity to:

• Be part of a fast-growing software product company in advanced manufacturing.
• Learn and fulfil your potential in an open, knowledge-driven culture.
• Share in our ambitious vision and make a meaningful difference towards autonomous manufacturing.

Responsibilities: 

• Create and maintain high-quality technical documents.
• Collaborate with other developers and designers to create user-friendly interfaces.
• Troubleshoot and debug software applications.
• Test 3D modelling software to ensure quality and accuracy.

You will be joining a well-versed team if you have:

• Bachelor’s Degree or Master’s Degree in Computer Science, Engineering, Software Engineering or a relevant field.
• 3+ years of experience in C++ software development.
• Experience with CAD, CAM, 3D engineering software development.
• Excellent problem-solving and communication skills.
• Ability to work independently and in a team environment.
• Time and project management skills, with the capability to prioritise and multitask as needed.

The Automotive department is launching a new project focused on modernizing vehicle diagnostics. We are looking for a Junior C++ Developer with Linux experience to join our team.

The project’s goal is to extend and optimize a existing diagnostic solution by integrating next-generation Service-Oriented Vehicle Diagnostics (SOVD). Our clients include Tier-1 suppliers and OEMs from Europe and the USA. The developed solution will be deployed in the newest vehicle platforms. You will work in a team recognized for technical excellence and motivated by challenging engineering tasks. We also provide competitive compensation and strong opportunities for growth.

At GlobalLogic Automotive, we are shaping the “computer-in-the-car” architecture — a key enabler for:

• advanced connectivity,
• remote diagnostics,
• machine learning and autonomous driving.

Requirements:

• 1+ years of commercial development experience in C++14/17
• Experience in Linux user-space development (POSIX APIs)
• Understanding of CMake / Make build systems
• Experience with unit testing (required: GTest; experience with coverage tools like Gcov or Bullseye is a plus)
• Practical knowledge of VCS (Git; Gerrit/Repo experience is a plus)
• Problem-solving mindset: focus on finding solutions, not on specific tools
• Strong analytical and troubleshooting skills
• English level: Intermediate+ (both verbal and written)
• Good communication skills (ability to interact with customers, present results)

Nice to Have: 

• Experience in embedded development
• Exposure to AUTOSAR (Classic or Adaptive)
• Experience with C language
• Familiarity with static and dynamic code analyzers (Polyspace, Axivion, Clang-Tidy, Valgrind)
• Python scripting skills (automation, testing)
• Knowledge of QNX OS
• Knowledge of networking protocols (TCP/IP, Ethernet, SOME/IP)
• Previous automotive development experience

Job responsibilities:

As a Junior Software Engineer, you will:

• Participate in the development of embedded automotive systems for Tier-1 suppliers and OEMs
• Collaborate with teammates on software architecture and design
• Implement and test functionality on multiple levels (tests: unit, integration, system)
• Document implemented features and changes
• Participate in debugging, troubleshooting, and issue resolution
• Optimize and extend existing components
• Learn and apply industry best practices for safety-critical automotive development

We are looking for a Senior Linux Engineer to join our team! 

Our client is a medical informatics company based in California, develops innovative, cost-effective solutions for the healthcare IT industry specifically focused on image visualization, workflow, archival and reporting.

Responsibilities:

• Write well-designed, and testable code
• Prepare documentation to identify requirements and solutions
• Document and maintain software functionality
• Troubleshoot and debug code
• Comply with project plans and industry regulations

Requirements:

• Proven work experience as a C++ Software Developer in Embedded Linux environments
• Fluent in C++, Qt, and SQL.
• Solid experience in AWS, S3, and other cloud services
• Good knowledge of object-oriented programming
• Experienced with MySQL, RPC, multi-threaded applications, and networking protocols.
• Relevant experience in developing software for medical devices.
• Knowledge of DICOM and HL7 protocols
• Understanding of radiological diagnostic image viewing and RIS workflows
• Proficient in software engineering tools - source code controls, code reviews, bug tracking, etc.
• Nice to have - Java, JavaScript
• Minimum BS degree in Computer Science, Engineering, or a relevant field

Helpful areas of experience:

• Radiology industry terminology and workflows
• EN 62304 – Medical Device Software Life Cycle Process
• ISO 14971 – Risk management of medical devices

Responsibilities:

• Design, develop, and maintain C++ applications and services that interact with embedded systems, specifically using Ardupilot/PX4 or other similar platforms.

• Collaborate with hardware engineers to integrate C++-based software with embedded systems and sensors, enabling seamless data exchange and device control.

• Identify, troubleshoot, and resolve software and hardware integration issues, ensuring high-quality, reliable, and performant solutions.

• Utilize Python for up to 20% of development, mainly for scripting, testing, and automation tasks.
 

Required Qualifications:

• 3+ years of experience in development with a focus on embedded systems, device programming, or hardware interfacing.

• Proven experience with Ardupilot/PX4 or similar platforms (e.g., Betaflight, iNav).

• Solid understanding of embedded systems, microcontrollers, and hardware-software interaction.

• Strong expertise in C++, with experience in performance optimization,

multithreading, and I/O operations in resource-constrained environments.

• Experience with Python for development, including scripting, testing, and automation, as well as its use in embedded systems.

• Experience with serial communication protocols (e.g., UART, SPI, I2C).

• Experience in Linux/Unix environments and tools (e.g., Git, SSH, command-line utilities).
 

Will be a plus:

• Experience with single board PCs (e.g., Raspberry Pi, Arduino, etc.).

• Knowledge of cloud technologies or IoT platforms (e.g., MQTT, AWS IoT, Google Cloud IoT).

• Soldering and engineering skills.

• Experience with 3D printing.

Product company  is looking for a Senior C++ Developer to work remotely.

The company is the fastest 'end-to-end' provider of data and trading technology in the foreign exchange, financial and futures markets.

The company has created a product that allows international companies and banks to conduct instant transactions on global currency exchanges with minimal time delay.

This solution is an advantage for them to stay ahead of the competition by fractions of milliseconds.

The company is actively growing every year and continues to continuously hire IT specialists for various positions.

They are stable in the market, constantly evolving, and have many new projects.

Required: experience in server-side development in C++ (Linux), multithreading.
Will be a plus: with high-load systems and on FinTech projects.

We are looking for a C++ Developer to join our agile, cross-functional team. In this role, you will develop software for wireless satellite communication.

You have the opportunity to be part of a community of over 200 C++ Developers at Sii. Our specialists have the chance to work with the latest technology stack (including C++ 20) for the IoT, automotive, and medical industries.

Sounds interesting? Apply!

Your tasks:

• Developing new functionalities
• Analysing bugs and implementing fixes
• Ensuring integrity and communication between different environments
• Defining architecture and requirements specifications
• Designing software and interfaces
• Participating in software verification activities (inspection and static code analysis)
• Preparing unit, design, and integration tests
• Creating test documentation
• Developing real-time & high-performance systems

• Implementing Networks & Protocol

   

Requirements:

• Minimum 3 years of experience in C++ programming
• Telecoms background
• Hands-on K3GPP / 5G experience
• Familiarity with gNodeB is an advantage
• Previous work in the Agile methodology
• Teamwork and communication skills
• Good knowledge of object-oriented design
• Good verbal and written English and Ukrainian skills

• Tax residence in Ukraine is required

   

About the Company
Client is a Toronto-based technology company operating in the capital markets domain. The team builds and maintains high-performance trading infrastructure supporting large-scale financial operations. The company is now expanding its engineering team to strengthen and enhance its low-latency trading platform.

About the Role
We are looking for an experienced Senior C++ Developer to join the engineering team. The successful candidate will work on improving and supporting an existing low-latency trading platform, focusing on performance optimization, scalability, and reliability.

This role involves significant non-functional work, including redesigning and enhancing core components to meet demanding latency and throughput requirements.

Responsibilities

• Support and enhance an existing low-latency trading system
• Design, develop, and optimize high-performance C++ components
• Collaborate with cross-functional teams to identify and implement system improvements
• Participate in performance profiling, debugging, and fine-tuning
• Ensure software reliability, maintainability, and efficiency
• Follow modern C++ development best practices

Requirements

• Strong experience in C++17 (or later)
• Solid understanding of low-latency design patterns and multi-threaded systems
• Hands-on experience with Boost and Linux (RHEL) environments
• Proven background in performance optimization and system-level programming
• Excellent problem-solving skills and attention to detail
• Ability to work independently and as part of a distributed team

Nice to Have

• Experience in trading systems, market data processing, or exchange connectivity
• Knowledge of FIX protocol, network programming, or real-time data systems
• Familiarity with high-frequency trading or quantitative finance

Being a part of 3asoft means having:
- High level of flexibility and freedom
- p2p relationship with worldwide customers
- Competitive compensation paid in USD
- Fully remote working

Twist Robotics is a defense company that develops unmanned aerial vehicles (FPV, multirotor, and fixed-wing types) and related systems. Among our public products are the UAV mission simulator “Obriy” and the “Saker Scout” drone, which has been successfully operating on the front lines for over two years.

We are looking for a C++/Python developer (Drone simulation & Networking) to help us enhance and expand our UAV simulation ecosystem. The role involves creating and adapting simulation environments for different drone models, developing network and server components, and integrating control protocols.

Key responsibilities:

• creating, configuring, and adapting simulation environments for specific UAV models from scratch;
• developing required network and server components for interaction with the simulator;
• integrating and testing control protocols;
• preparing technical documentation and contributing to training materials for external teams;
• close collaboration with the core simulator development team.

Requirements:

• strong experience with C++ and Python;
• understanding of network protocols (TCP/UDP, HTTP, WebSocket, etc.);
• experience integrating SDKs/APIs into software products;
• solid understanding of server-side principles and embedded systems.

Will be an advantage:

• knowledge of UAV control protocols (MAVLink, CRSF, ELRS);
• basic experience with GStreamer;
• background in SITL, networking, routing, or low-latency streaming;
• experience with simulation systems or training environments;
• understanding of UAV architecture and autopilot systems;
• experience developing under Windows.

We offer:

• the opportunity to apply your skills and experience to strengthen Ukraine’s defense capabilities;
• exciting work at the forefront of technology development, where independence and initiative are valued;
• comfortable working conditions and a competitive salary;
• relocation support to Lviv (if needed);
• paid vacation, sick leave, and other social benefits in accordance with labor law;
• reservation from mobilization.

Work onsite 5 days per week in Krakow.

Job Description:

• Strong knokwledge C/C++14 (or above)
• From 2 years of C++ development experience;
• Experience with Unit Testing
• Experience with Python;
• Experience with CMake;
• Basic experience with Linux
• Understanding SDLC
• Fluetn upper-intermediate English
• Good communication skills
• Willingness to learn
• Team player
• Takes responsibility and gets things done

Would be a plus:

• Experience with: Gerrit, Zuul CI tool, Jenkins, Artifactory, Google Test framework, GCC
• QNX
• Static Code analyzes (Polyspace, QAC, etc)
  Some experience in automotive domain is ok but not eclusively

Job Responsibilities

As per the role of Software Engineer successful candidate will be involved into development of sensor fusion algorithms for an innovative control platform.

• Development of embedded automotive systems for EU OEM.
• Test case creation and test coverage improvement
• Collaboration with customer and teammates
• Study and participate to full cycle development of Automotive SW

Department/Project Description

The project aim is to optimize and extend with new features for next gen vehicle.
Our clients are and OEMs from Europe and development is targeted to Automotive Solution which will be deployed in newest European cars. The project is considered as technical excellence and we are paying huge attention to technical challenge motivation of our team members.

Aristeem  is  looking for a highly skilled Senior C++ Developer experienced in Windows graphics capture and real-time video processing. You will design, optimize, and maintain high-performance capture modules for screen and video pipelines, working closely with GPU APIs, hardware encoders, and complex multi-threaded systems.

Tech Stack

C++17/20, WinAPI, COM, DirectX 11/12, DXGI, WGC, D3D11on12, NVENC, AMF, QSV, Media Foundation, FFmpeg, ETW, PIX, RenderDoc, CMake, MSVC.

Responsibilities

• Develop and optimize image capture modules using DXGI Desktop Duplication API, Windows Graphics Capture, and fallback methods via GDI/DWM.
• Work with DirectX 11/12, shared textures, GPU–CPU synchronization, and zero-copy frame transfers.
• Implement cursor capture, HDR→SDR conversion, scaling, and color correction.
• Integrate with hardware encoders (NVENC, AMF, QSV) and media pipelines (Media Foundation, FFmpeg).
• Support multi-monitor setups, HiDPI, and virtual displays (IDD).
• Ensure optimal performance (≥120 FPS at 4K), resolving bottlenecks and thread race conditions.
• Develop internal SDK interfaces and logging tools (ETW/WPA).
• Participate in architectural discussions and code reviews.

Requirements

• 6+ years of professional experience in C++17/20 development.
• Deep understanding of WinAPI and COM.
• Proven experience with DirectX 11/12, DXGI, IDXGIOutputDuplication, and Windows Graphics Capture (WGC).
• Strong knowledge of multithreading, atomic operations, and GPU/CPU synchronization.
• Experience with Media Foundation, FFmpeg, or hardware video encoders (NVENC/AMF/QSV).
• Proficiency in profiling and debugging tools (ETW, PIX, RenderDoc, WPA).
• Understanding of WDDM, DWM, and Flip Model.
• Ability to write clean, efficient, and leak-free multi-threaded code.

Nice to Have

• Experience developing virtual displays or Indirect Display Drivers (IDD).
• Familiarity with zero-copy frame sharing (D3D shared handles, keyed mutex).
• SIMD optimization (SSE/AVX) for color space and format conversions (e.g., RGBA↔NV12, I420).
• Knowledge of OBS / obs-studio architecture or plugin development.
• Experience with streaming systems (WebRTC, RTSP, RTMP, HLS).
• Understanding of H.264/H.265 codecs, bitrates, and latency presets.

Personal Qualities

• Strong systems thinking and attention to low-level details.
• Commitment to quality, performance, and stability.
• Ability to justify technical decisions and collaborate effectively in a te

We offer

• Competitive Salary
• 15 paid vacation days and 7 sick leaves
• Rezervation if needed
• Blackouts equipped office (heating and electricity)

Core Skills:

• Basic knowledge of C++ and experience with Qt/QML
• Familiarity with Linux-based systems
• Willingness to learn and grow within a development team
• Ability to understand existing code and contribute to its improvement
• Attention to details

Responsibilities:

• Integrating UI/UX based on mockups
• Extending and improving the existing solution
• Contributing new features to the application
• Fixing minor bugs and performing code cleanup

Experience in these areas would be a plus:

• Familiarity with Git and version control workflows
• Basic understanding of embedded systems architecture

Your Profile

• Bachelor’s degree in computer science, electronics and communications or relevant field, with strong software interest.
• Minimum of 2 years’ experience in Nokia Mediation or any other mediation product/system.
• Senior expert in Nokia Mediation, Java, C and Perl.
• Working knowledge of Nokia Mediation (or) any other mediation product/system with ability to independently work, write code, test and deliver good quality workflows/nodes/streams and functional tests.
• Working experience on Nokia Mediation product fComptel’s EventLink 7.x and above or Nokia Data Refinery 19.x and above is also a plus.
• Good background and understanding of telecom domain concepts.
• Good debugging, analytical and problem-solving skills.
• Good communications skills (written and verbal).
• Good exposure and working experience in Oracle SQL, PL/SQL, PostgreSQL, Unix.
• Good exposure and Hands on experience on Nokia Mediation (or) any other mediation product/system installation, migration and troubleshooting is also a plus.
• Good exposure and knowledge in C, C++, Perl, Java and XML.
• Working experience in Business Logic Tool (BLT), Times Ten and other product specific features (*Nokia Mediation specific) is also a plus.
• Scripting knowledge in Shell, Bash, Python and Ansible.
• Knowledge on Kubernetes and docker container is a plus.
• Jenkins knowledge.
• Jenkins pipelines creation.